Mader, Biology © 2016, 12e (Reinforced Binding) AP Focus Review Guide (AP BIOLOGY MADER)
1st Edition
ISBN: 9780076721528
Author: McGraw-Hill Education
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Textbook Question
Chapter 39, Problem 13A
According to the sliding filament model, when muscles contract,
- sarcomeres shorten.
- myosin heads break down ATP.
- actin slides past myosin.
- the H zone disappears.
- All of these are correct.
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Chapter 39 Solutions
Mader, Biology © 2016, 12e (Reinforced Binding) AP Focus Review Guide (AP BIOLOGY MADER)
Ch. 39.1 - Prob. 1CYPCh. 39.1 - Prob. 2CYPCh. 39.1 - Prob. 3CYPCh. 39.2 - Describe the functions of osteoblasts,...Ch. 39.2 - Prob. 2CYPCh. 39.2 - Prob. 3CYPCh. 39.3 - Define an antagonistic pair of muscles.Ch. 39.3 - Describe the microscopic levels of structure in a...Ch. 39.3 - Prob. 3CYPCh. 39 - Prob. 1A
Ch. 39 - Prob. 2ACh. 39 - Prob. 3ACh. 39 - Prob. 4ACh. 39 - Prob. 5ACh. 39 - Prob. 6ACh. 39 - Prob. 7ACh. 39 - Prob. 8ACh. 39 - Prob. 9ACh. 39 - Prob. 10ACh. 39 - Prob. 11ACh. 39 - Prob. 12ACh. 39 - According to the sliding filament model, when...Ch. 39 - Prob. 14ACh. 39 - Prob. 15ACh. 39 - Prob. 16ACh. 39 - Prob. 1TSCh. 39 - Prob. 2TSCh. 39 - Prob. 3TSCh. 39 - Prob. 4TS
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Figure 38.37 Which of the following statements about muscle contraction is true? The power stroke occurs when ATP is hydrolyzed to ADP and phosphate. The power stroke occurs when ADP and phosphate dissociate from the myosin head. The power stroke occurs when ADP and phosphate dissociate from the actin active site. The power stroke occurs when Ca2+ binds the calcium head.arrow_forwardThe _____ is the basic unit of muscle contraction. a. myofibril b. sarcomere c. muscle fiber d. myosin filamentarrow_forwardIn the diagram below, label the fine structure of a muscle, down to one of its myofibrils. Identify the basic unit of contraction in a myofibril.arrow_forward
- How do actin and myosin interact in a sarcomere to bring about muscle contraction? What roles do ATP and calcium play?arrow_forwardYou are training athletes for the 100-meter dash. They need muscles specialized for speed and strength, not endurance. What muscle characteristics would your training regimen aim to develop? How would you alter it to train a long-distance swimmer?arrow_forwardIn a general sense, how do skeletal muscles produce movement?arrow_forward
- After death, a person no longer makes ATP, so calcium stored in the sarcoplasmic reticulum diffuses down its concentration gradient into the muscle cytoplasm. This result is rigor mortis----an unbreakable state of muscle contraction that stiffens the body for a few days until muscles begin to decay. Explain why this contraction occurs.arrow_forwardWhy do you think a person is able to perform anaerobic exercise (such as lifting and holding a heavy weight) only briefly but can sustain aerobic exercise (such as walking or swimming) for long periods? (Hint: Muscles have limited energy stores.)arrow_forward
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